/**
 * Copyright 2020 the original author, Lin Tang
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.github;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * AutoConfiguration to inject a <code>com.github.Generator</code> into <code>Spring Container</code>.
 *
 * @author Lin Tang
 */
@Configuration
@EnableConfigurationProperties(value = com.github.SnowFlakeProperties.class)
@ConditionalOnClass(value = com.github.SnowFlakeProperties.class)
public class SnowFlakeAutoConfiguration {

    @Autowired
    private com.github.SnowFlakeProperties properties;

    @Bean
    @ConditionalOnProperty(prefix = SnowFlakeProperties.SNOWFLAKE_PREFIX,
            name = {"enable-cached", "enable-atomic"}, havingValue = "false",
            matchIfMissing = true)
    public com.github.Generator getGenerator() {
        return new com.github.DefaultGenerator(com.github.SnowFlakeConfiguration.parse(properties));
    }

    @Bean
    @ConditionalOnProperty(prefix = SnowFlakeProperties.SNOWFLAKE_PREFIX,
            name = "enable-cached", havingValue = "true")
    public Generator getQueuedGenerator() {
        return new CachedGenerator(SnowFlakeConfiguration.parse(properties));
    }

    @Bean
    @ConditionalOnProperty(prefix = SnowFlakeProperties.SNOWFLAKE_PREFIX,
            name = "enable-atomic", havingValue = "true")
    public Generator getAtomicGenerator() {
        return new AtomicGenerator(SnowFlakeConfiguration.parse(properties));
    }

}
